diff options
Diffstat (limited to 'cpukit/score/cpu/avr/avr/iom16a.h')
| -rw-r--r-- | cpukit/score/cpu/avr/avr/iom16a.h | 74 |
1 files changed, 54 insertions, 20 deletions
diff --git a/cpukit/score/cpu/avr/avr/iom16a.h b/cpukit/score/cpu/avr/avr/iom16a.h index 707c3b1803..ddfb220b99 100644 --- a/cpukit/score/cpu/avr/avr/iom16a.h +++ b/cpukit/score/cpu/avr/avr/iom16a.h @@ -47,9 +47,11 @@ #ifndef _AVR_ATmega16A_H_ #define _AVR_ATmega16A_H_ 1 - -/* Registers and associated bit numbers. */ - +/** + * @name Registers and Associated Bit Numbers + * + */ +/**@{**/ #define TWBR _SFR_IO8(0x00) #define TWBR0 0 #define TWBR1 1 @@ -654,8 +656,13 @@ #define OCR0_6 6 #define OCR0_7 7 +/** @} */ -/* Interrupt vectors */ +/** + * @name Interrupt Vectors + * + */ +/**@{**/ /* Vector 0 is the reset vector */ #define INT0_vect_num 1 #define INT0_vect _VECTOR(1) /* External Interrupt Request 0 */ @@ -668,9 +675,11 @@ #define TIMER1_CAPT_vect_num 5 #define TIMER1_CAPT_vect _VECTOR(5) /* Timer/Counter1 Capture Event */ #define TIMER1_COMPA_vect_num 6 -#define TIMER1_COMPA_vect _VECTOR(6) /* Timer/Counter1 Compare Match A */ +/* Timer/Counter1 Compare Match A */ +#define TIMER1_COMPA_vect _VECTOR(6) #define TIMER1_COMPB_vect_num 7 -#define TIMER1_COMPB_vect _VECTOR(7) /* Timer/Counter1 Compare Match B */ +/* Timer/Counter1 Compare Match B */ +#define TIMER1_COMPB_vect _VECTOR(7) #define TIMER1_OVF_vect_num 8 #define TIMER1_OVF_vect _VECTOR(8) /* Timer/Counter1 Overflow */ #define TIMER0_OVF_vect_num 9 @@ -700,9 +709,13 @@ #define _VECTOR_SIZE 4 /* Size of individual vector. */ #define _VECTORS_SIZE (21 * _VECTOR_SIZE) +/** @} */ - -/* Constants */ +/** + * @name Constants + * + */ +/**@{**/ #define SPM_PAGESIZE (128) #define RAMSTART (0x60) #define RAMSIZE (1024) @@ -713,9 +726,13 @@ #define E2END (0x1FF) #define E2PAGESIZE (4) #define FLASHEND (0x3FFF) +/** @} */ - -/* Fuses */ +/** + * @name Fuses + * + */ +/**@{**/ #define FUSE_MEMORY_SIZE 2 /* Low Fuse Byte */ @@ -726,34 +743,50 @@ #define FUSE_SUT0 (unsigned char)~_BV(4) /* Select start-up time */ #define FUSE_SUT1 (unsigned char)~_BV(5) /* Select start-up time */ #define FUSE_BODEN (unsigned char)~_BV(6) /* Brown out detector enable */ -#define FUSE_BODLEVEL (unsigned char)~_BV(7) /* Brown out detector trigger level */ -#define LFUSE_DEFAULT (FUSE_SUT1 & FUSE_SUT0 & FUSE_CKSEL3 & FUSE_CKSEL2 & FUSE_CKSEL1) +/* Brown out detector trigger level */ +#define FUSE_BODLEVEL (unsigned char)~_BV(7) +#define LFUSE_DEFAULT (FUSE_SUT1 & FUSE_SUT0 & FUSE_CKSEL3 & \ + FUSE_CKSEL2 & FUSE_CKSEL1) /* High Fuse Byte */ #define FUSE_BOOTRST (unsigned char)~_BV(0) /* Select Reset Vector */ #define FUSE_BOOTSZ0 (unsigned char)~_BV(1) /* Select Boot Size */ #define FUSE_BOOTSZ1 (unsigned char)~_BV(2) /* Select Boot Size */ -#define FUSE_EESAVE (unsigned char)~_BV(3) /* EEPROM memory is preserved through chip erase */ +/* EEPROM memory is preserved through chip erase */ +#define FUSE_EESAVE (unsigned char)~_BV(3) #define FUSE_CKOPT (unsigned char)~_BV(4) /* Oscillator Options */ -#define FUSE_SPIEN (unsigned char)~_BV(5) /* Enable Serial programming and Data Downloading */ +/* Enable Serial programming and Data Downloading */ +#define FUSE_SPIEN (unsigned char)~_BV(5) #define FUSE_JTAGEN (unsigned char)~_BV(6) /* Enable JTAG */ #define FUSE_OCDEN (unsigned char)~_BV(7) /* Enable OCD */ #define HFUSE_DEFAULT (FUSE_JTAGEN & FUSE_SPIEN & FUSE_BOOTSZ1 & FUSE_BOOTSZ0) +/** @} */ - -/* Lock Bits */ +/** + * @name Lock Bits + * + */ +/**@{**/ #define __LOCK_BITS_EXIST #define __BOOT_LOCK_BITS_0_EXIST #define __BOOT_LOCK_BITS_1_EXIST +/** @} */ - -/* Signature */ +/** + * @name Signature + * + */ +/**@{**/ #define SIGNATURE_0 0x1E #define SIGNATURE_1 0x94 #define SIGNATURE_2 0x03 +/** @} */ - -/* Device Pin Definitions */ +/** + * @name Device Pin Definitions + * + */ +/**@{**/ #define MOSI_DDR DDRB #define MOSI_PORT PORTB #define MOSI_PIN PINB @@ -898,6 +931,7 @@ #define SS_PORT PORTB #define SS_PIN PINB #define SS_BIT 4 +/** @} */ #endif /* _AVR_ATmega16A_H_ */ |